Content derived from inventory prepared by Dana EchoHawk.; From inventory: "Honorable Celedonio Mondragon, 1863-1923, founder of La Sociedad Protection Mutua de Trabajadores Unidos (The Society of Mutual Protection of United Workers, SPMDTU). This portrait is the most frequently used in newspaper articles when depicting the origins of the SPMDTU. Framed prints of the photo are prominently displayed on the front wall of the Concilio Superior headquarters office and at local council meeting halls."; Title derived from inventory.; R7001523506; Digitization sponsored by the Library Services and Technology Act and the Center for Colorado & the West at Auraria Library.